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GOODWILL AND INTANGIBLE ASSETS (Intangible Assets and Goodwill) (Narrative) (Details) (OEM Electric Motion Systems [Member], USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2012	Dec. 31, 2012
OEM Electric Motion Systems [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment charge to goodwill	$ 1,015us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = tatt_OemElectricMotionSystemsMember
Discount rate		17.72%us-gaap_FairValueInputsDiscountRate / us-gaap_StatementBusinessSegmentsAxis = tatt_OemElectricMotionSystemsMember
Long-term growth rate		2.00%us-gaap_FairValueInputsLongTermRevenueGrowthRate / us-gaap_StatementBusinessSegmentsAxis = tatt_OemElectricMotionSystemsMember

X

- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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X

- Definition

Percentage of assumed long-term growth in revenues, used as an input to measure fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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X

- Definition

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 2

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-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267



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-Publisher FASB

-Name Accounting Standards Codification

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